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//===-- core_main.cpp - Core Index Tool testbed ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/ASTUnit.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/FrontendAction.h"
#include "clang/Index/IndexingAction.h"
#include "clang/Index/IndexDataConsumer.h"
#include "clang/Index/USRGeneration.h"
#include "clang/Index/CodegenNameGenerator.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/PrettyStackTrace.h"
using namespace clang;
using namespace clang::index;
using namespace llvm;
extern "C" int indextest_core_main(int argc, const char **argv);
namespace {
enum class ActionType {
None,
PrintSourceSymbols,
};
namespace options {
static cl::OptionCategory IndexTestCoreCategory("index-test-core options");
static cl::opt<ActionType>
Action(cl::desc("Action:"), cl::init(ActionType::None),
cl::values(
clEnumValN(ActionType::PrintSourceSymbols,
"print-source-symbols", "Print symbols from source")),
cl::cat(IndexTestCoreCategory));
static cl::extrahelp MoreHelp(
"\nAdd \"-- <compiler arguments>\" at the end to setup the compiler "
"invocation\n"
);
}
} // anonymous namespace
static void printSymbolInfo(SymbolInfo SymInfo, raw_ostream &OS);
static void printSymbolNameAndUSR(const Decl *D, ASTContext &Ctx,
raw_ostream &OS);
namespace {
class PrintIndexDataConsumer : public IndexDataConsumer {
raw_ostream &OS;
std::unique_ptr<CodegenNameGenerator> CGNameGen;
public:
PrintIndexDataConsumer(raw_ostream &OS) : OS(OS) {
}
void initialize(ASTContext &Ctx) override {
CGNameGen.reset(new CodegenNameGenerator(Ctx));
}
bool handleDeclOccurence(const Decl *D, SymbolRoleSet Roles,
ArrayRef<SymbolRelation> Relations,
FileID FID, unsigned Offset,
ASTNodeInfo ASTNode) override {
ASTContext &Ctx = D->getASTContext();
SourceManager &SM = Ctx.getSourceManager();
unsigned Line = SM.getLineNumber(FID, Offset);
unsigned Col = SM.getColumnNumber(FID, Offset);
OS << Line << ':' << Col << " | ";
printSymbolInfo(getSymbolInfo(D), OS);
OS << " | ";
printSymbolNameAndUSR(D, Ctx, OS);
OS << " | ";
if (CGNameGen->writeName(D, OS))
OS << "<no-cgname>";
OS << " | ";
printSymbolRoles(Roles, OS);
OS << " | ";
OS << "rel: " << Relations.size() << '\n';
for (auto &SymRel : Relations) {
OS << '\t';
printSymbolRoles(SymRel.Roles, OS);
OS << " | ";
printSymbolNameAndUSR(SymRel.RelatedSymbol, Ctx, OS);
OS << '\n';
}
return true;
}
bool handleModuleOccurence(const ImportDecl *ImportD, SymbolRoleSet Roles,
FileID FID, unsigned Offset) override {
ASTContext &Ctx = ImportD->getASTContext();
SourceManager &SM = Ctx.getSourceManager();
unsigned Line = SM.getLineNumber(FID, Offset);
unsigned Col = SM.getColumnNumber(FID, Offset);
OS << Line << ':' << Col << " | ";
printSymbolInfo(getSymbolInfo(ImportD), OS);
OS << " | ";
OS << ImportD->getImportedModule()->getFullModuleName() << " | ";
printSymbolRoles(Roles, OS);
OS << " |\n";
return true;
}
};
} // anonymous namespace
//===----------------------------------------------------------------------===//
// Print Source Symbols
//===----------------------------------------------------------------------===//
static bool printSourceSymbols(ArrayRef<const char *> Args) {
SmallVector<const char *, 4> ArgsWithProgName;
ArgsWithProgName.push_back("clang");
ArgsWithProgName.append(Args.begin(), Args.end());
IntrusiveRefCntPtr<DiagnosticsEngine>
Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions));
auto CInvok = createInvocationFromCommandLine(ArgsWithProgName, Diags);
if (!CInvok)
return true;
auto DataConsumer = std::make_shared<PrintIndexDataConsumer>(outs());
IndexingOptions IndexOpts;
std::unique_ptr<FrontendAction> IndexAction;
IndexAction = createIndexingAction(DataConsumer, IndexOpts,
/*WrappedAction=*/nullptr);
auto PCHContainerOps = std::make_shared<PCHContainerOperations>();
std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCompilerInvocationAction(
std::move(CInvok), PCHContainerOps, Diags, IndexAction.get()));
if (!Unit)
return true;
return false;
}
//===----------------------------------------------------------------------===//
// Helper Utils
//===----------------------------------------------------------------------===//
static void printSymbolInfo(SymbolInfo SymInfo, raw_ostream &OS) {
OS << getSymbolKindString(SymInfo.Kind);
if (SymInfo.Properties) {
OS << '(';
printSymbolProperties(SymInfo.Properties, OS);
OS << ')';
}
OS << '/' << getSymbolLanguageString(SymInfo.Lang);
}
static void printSymbolNameAndUSR(const Decl *D, ASTContext &Ctx,
raw_ostream &OS) {
if (printSymbolName(D, Ctx.getLangOpts(), OS)) {
OS << "<no-name>";
}
OS << " | ";
SmallString<256> USRBuf;
if (generateUSRForDecl(D, USRBuf)) {
OS << "<no-usr>";
} else {
OS << USRBuf;
}
}
//===----------------------------------------------------------------------===//
// Command line processing.
//===----------------------------------------------------------------------===//
int indextest_core_main(int argc, const char **argv) {
sys::PrintStackTraceOnErrorSignal(argv[0]);
PrettyStackTraceProgram X(argc, argv);
assert(argv[1] == StringRef("core"));
++argv;
--argc;
std::vector<const char *> CompArgs;
const char **DoubleDash = std::find(argv, argv + argc, StringRef("--"));
if (DoubleDash != argv + argc) {
CompArgs = std::vector<const char *>(DoubleDash + 1, argv + argc);
argc = DoubleDash - argv;
}
cl::HideUnrelatedOptions(options::IndexTestCoreCategory);
cl::ParseCommandLineOptions(argc, argv, "index-test-core");
if (options::Action == ActionType::None) {
errs() << "error: action required; pass '-help' for options\n";
return 1;
}
if (options::Action == ActionType::PrintSourceSymbols) {
if (CompArgs.empty()) {
errs() << "error: missing compiler args; pass '-- <compiler arguments>'\n";
return 1;
}
return printSourceSymbols(CompArgs);
}
return 0;
}
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